Home / 7,262.20-10,021.86-4,118.60

Finding the Fourth Proportional to 7,262.20, 10,021.86 and 4,118.60

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Solution

The fourth proportional to 7,262.20, 10,021.86 and 4,118.60 is: 5,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.20 : 10,021.86 = 4,118.60 : x
  2. Step 2: Convert to fraction form
    7,262.20/10,021.86 = 4,118.60/x
  3. Step 3: Cross multiply
    7,262.20x = 10,021.86 × 4,118.60
  4. Step 4: Simplify right side
    7,262.20x = 41,276,032.60
  5. Step 5: Solve for x
    x = 41,276,032.60/7,262.20
  6. Step 6: Final answer
    x = 5,683.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.